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In this letter, a dual-band differential CPW-fed MIMO antenna for Worldwide Interoperability for Microwave Access (WiMAX) application is proposed. The antenna has a square ring ground and a common patch which is shared by two pairs of differentially-fed ports. By arranging two pairs of differential ports orthogonally in the virtual ac ground of each other, the differential isolation can be infinite...
k-Interval Routing Scheme (k-IRS) is a compact routing method that allows up to k interval labels to be assigned to an arc. A fundamental problem is to characterize the networks that admit k-IRS. Many of the problems related to single-shortest-path k-IRS have already been shown to be NP-complete. For all-shortest-path k-IRS, the characterization problem remains open for k≥ 1. We investigate...
A novel differential wide-slot ultrawideband(UWB) antenna with band-notched selectivity is proposed and investigated in this paper. The antenna consists of a rectangle ground with a wide slot and a stepped differential feeding line. In order to realize controllable notched bands characteristics, a pair of half-wave-length slits are utilized in ground and feeding structure. Moreover, the notched bands...
A novel design of a dual-band microstrip slot antenna with high common-mode(CM) suppression for wireless local area network(WLAN) multiple-input-multiple-output (MIMO) systems is proposed in this paper. The proposed MIMO antenna element consists of a T-shape slot and a inverted U-shape microstrip feed line. The T-shape shot includes both open-ended and short-ended slots. Open-ended and short-ended...
Okadaic acid (OA), a key diarrheic shellfish poisoning (DSP) toxin will possibly arouses DSP symptoms by consuming the contaminated shellfish. The DSP toxins are stable at high temperatures, and long-term DSP toxicity is carcinogenic. Therefore a fast and reliable analytical method for the detection of OA and analogues in shellfish is worth developing. In this paper, a direct competitive ELISA (dcELISA)...
The objective of this study is to characterize the bubble size distribution for intermediate bubble swarm in the presence of frother so as to improve the flotation performance. Experiments were thus carried out to investigate the effect of frother on bubble size distribution by changing the frother concentration. Distilled water and Triton X-100 solutions with various concentrations were choosed as...
Bubble motion is fundamental to the performance of flotation system, but single bubble motion under flotation-related conditions is a relatively neglected research field. The objective of this study is to characterize the behaviors of single bubbles with 2 ∼ 5 millimeter in diameter in the presence of surfactant. Experiments were carried out to investigate the effect of surfactant on trajectory, shape...
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